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move stmf7 sdram code to /platform

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BUG=none
R=travisg@google.com

Review URL: https://codereview.chromium.org/1324223002 .
This commit is contained in:
Carlos Pizano
2015-09-03 14:10:25 -07:00
parent 7c341c3045
commit 0b0b79be57
6 changed files with 283 additions and 131 deletions
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65
target/stm32f746g-disco/init.c
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@@ -27,6 +27,7 @@
#include <compiler.h>
#include <dev/gpio.h>
#include <platform/stm32.h>
#include <platform/sdram.h>
#include <platform/gpio.h>
#include <target/debugconfig.h>
#include <target/gpioconfig.h>
@@ -44,6 +45,15 @@ void target_early_init(void)
/* now that the uart gpios are configured, enable the debug uart */
stm32_debug_early_init();
#if defined(ENABLE_SDRAM)
/* initialize sdram */
sdram_config_t sdram_config;
sdram_config.bus_width = SDRAM_BUS_WIDTH_16;
sdram_config.cas_latency = SDRAM_CAS_LATENCY_2;
sdram_config.col_bits_num = SDRAM_COLUMN_BITS_8;
stm32_sdram_init(&sdram_config);
#endif
}
void target_init(void)
@@ -51,3 +61,58 @@ void target_init(void)
stm32_debug_init();
}
/**
* @brief Initializes SDRAM GPIO.
* @retval None
*/
/* called back from stm32_sdram_init */
void stm_sdram_GPIO_init(void)
{
GPIO_InitTypeDef gpio_init_structure;
/* Enable GPIOs clock */
__HAL_RCC_GPIOC_CLK_ENABLE();
__HAL_RCC_GPIOD_CLK_ENABLE();
__HAL_RCC_GPIOE_CLK_ENABLE();
__HAL_RCC_GPIOF_CLK_ENABLE();
__HAL_RCC_GPIOG_CLK_ENABLE();
__HAL_RCC_GPIOH_CLK_ENABLE();
/* Common GPIO configuration */
gpio_init_structure.Mode = GPIO_MODE_AF_PP;
gpio_init_structure.Pull = GPIO_PULLUP;
gpio_init_structure.Speed = GPIO_SPEED_FAST;
gpio_init_structure.Alternate = GPIO_AF12_FMC;
/* GPIOC configuration */
gpio_init_structure.Pin = GPIO_PIN_3;
HAL_GPIO_Init(GPIOC, &gpio_init_structure);
/* GPIOD configuration */
gpio_init_structure.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_3 | GPIO_PIN_8| GPIO_PIN_9 | GPIO_PIN_10 |\
GPIO_PIN_14 | GPIO_PIN_15;
HAL_GPIO_Init(GPIOD, &gpio_init_structure);
/* GPIOE configuration */
gpio_init_structure.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_7| GPIO_PIN_8 | GPIO_PIN_9 |\
GPIO_PIN_10 | GPIO_PIN_11 | GPIO_PIN_12 | GPIO_PIN_13 | GPIO_PIN_14 |\
GPIO_PIN_15;
HAL_GPIO_Init(GPIOE, &gpio_init_structure);
/* GPIOF configuration */
gpio_init_structure.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2| GPIO_PIN_3 | GPIO_PIN_4 |\
GPIO_PIN_5 | GPIO_PIN_11 | GPIO_PIN_12 | GPIO_PIN_13 | GPIO_PIN_14 |\
GPIO_PIN_15;
HAL_GPIO_Init(GPIOF, &gpio_init_structure);
/* GPIOG configuration */
gpio_init_structure.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_4| GPIO_PIN_5 | GPIO_PIN_8 |\
GPIO_PIN_15;
HAL_GPIO_Init(GPIOG, &gpio_init_structure);
/* GPIOH configuration */
gpio_init_structure.Pin = GPIO_PIN_3 | GPIO_PIN_5;
HAL_GPIO_Init(GPIOH, &gpio_init_structure);
}